package cn.zhj.springboot.service;

import cn.zhj.springboot.domain.User;
import cn.zhj.springboot.exception.R;

import java.util.List;

public interface UserService {

    List<User> getUsers();

    R transfer(Long payerId, Long payeeId, Double money);

    User getUserById(Long id);

    R doLogin(String userName, String password);
}
